package com.astrob.TileSource;

import org.osmdroid.tileprovider.MapTile;
import org.osmdroid.tileprovider.tilesource.OnlineTileSourceBase;

/**
 * Created by colin on 2017/10/10.
 *

 <provider id="6013" type="0" visible="true" background="-1">
 <name>卫星图</name>
 <mode>天地图卫星</mode>
 <countries>China</countries>
 <url><![CDATA[http://t{s}.tianditu.cn/DataServer?T=img_w&X={x}&Y={y}&L={z}]]></url>
 <serverPart>0;1;2;3;4</serverPart>
 <zoomPart>{z}-8</zoomPart>
 <zoomMin>9</zoomMin>
 <zoomMax>26</zoomMax>
 <tileSize>256</tileSize>
 <attribution><![CDATA[天地图卫星 Locus群3035043]]></attribution>
 <extraHeader><![CDATA[User-Agent#Mozilla/5.0 (Windows NT 6.1; WOW64; rv:7.0.1) Gecko/20100101 Firefox/7.0.1]]></extraHeader>
 <extraHeader><![CDATA[Referer#http://tianditu.com/]]></extraHeader>
 </provider>
 */

public class TiandituMapsTileSource extends OnlineTileSourceBase {
    /**
     * @param aName                a human-friendly name for this tile source  自定图源义名字，会在手机外部存储中新建以该名字命名的文件夹，瓦片存储在其中
     * @param aZoomMinLevel        the minimum zoom level this tile source can provide  最小缩放级别
     * @param aZoomMaxLevel        the maximum zoom level this tile source can provide  最大缩放级别
     * @param aTileSizePixels      the tile size in pixels this tile source provides  瓦片质量 （256）
     * @param aImageFilenameEnding the file name extension used when constructing the filename  瓦片格式（jpg[有损压缩率高、不透明]、png[无损、透明]）
     * @param aBaseUrl             the base url(s) of the tile server used when constructing the url to download the tiles  下载瓦片的链接（前缀）
     */
    public TiandituMapsTileSource(String aName, int aZoomMinLevel, int aZoomMaxLevel, int aTileSizePixels,
                                  String aImageFilenameEnding, String[] aBaseUrl) {
        super(aName, aZoomMinLevel, aZoomMaxLevel, aTileSizePixels, aImageFilenameEnding, aBaseUrl);
    }

    //http://t4.tianditu.com/DataServer?T=vec_c&x=3133&y=673&l=12
    @Override
    public String getTileURLString(MapTile aTile) {
        return getBaseUrl() + "&X=" + aTile.getX() + "&Y=" + aTile.getY() + "&L=" + aTile.getZoomLevel();
    }
}